%0 Book%A Taft, William H.%A United States.%D 1911%T Conservation of the soil. (Address of President Taft before the National Conservation Congress, at Kansas City, Mo., September 25, 1911.) %C Washington, D.C.,%I Govt. Print. Off.,%! Conservation of the soil.%L S598 .T3%K Agriculture%K Soils%K United States%G English%Z Caption title. --- At head of title: United States Department of Agriculture, Office of the Secretary.--Circular no. 38.%U http://www.biodiversitylibrary.org/item/94331%R 10.5962/bhl.title.43378